Metal complexes containing the ligands
[CH(SiMe
3
)PPh
2
![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
NSiMe
3
]
-
{
![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
[LL′]
-
} and
[CH(SiMe
3
){Ph(1,2-C
6
H
4
)P
![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
NS
![[upper bond 1 end]](https://www.rsc.org/images/entities/char_e011.gif)
iMe
2
}]
-
{
![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
[LL″]
-
} are reported [from, as
initial precursor,
CH
2
(SiMe
3
)PPh
2
![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
NSiMe
3
]:
Li(LL′), K(LL′), [Li(LL″)]
2
4,
P
![[upper bond 1 start]](https://www.rsc.org/images/entities/char_e010.gif)
b(LL
![[upper bond 1 end]](https://www.rsc.org/images/entities/char_e011.gif)
′)
2
5 and
P
![[upper bond 1 start]](https://www.rsc.org/images/entities/char_e010.gif)
b(LL
![[upper bond 1 end]](https://www.rsc.org/images/entities/char_e011.gif)
″)
2
; mass and multinuclear NMR
spectra and single-crystal X-ray diffraction data for 4 (a fused tricyclic
complex having a central L
![[upper bond 1 start]](https://www.rsc.org/images/entities/char_e010.gif)
iNLiN
![[upper bond 1 end]](https://www.rsc.org/images/entities/char_e011.gif)
ring) and 5 are
presented.
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